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106380 = 22335197
BaseRepresentation
bin11001111110001100
312101221000
4121332030
511401010
62140300
7622101
oct317614
9171830
10106380
1172a1a
1251690
1339561
142aaa8
15217c0
hex19f8c

106380 has 48 divisors (see below), whose sum is σ = 332640. Its totient is φ = 28224.

The previous prime is 106373. The next prime is 106391. The reversal of 106380 is 83601.

It is a super-2 number, since 2×1063802 = 22633408800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

106380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2106380 is an apocalyptic number.

106380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320).

106380 is an abundant number, since it is smaller than the sum of its proper divisors (226260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106380 is a wasteful number, since it uses less digits than its factorization.

106380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 106380 is about 326.1594701982. The cubic root of 106380 is about 47.3827208289.

Adding to 106380 its reverse (83601), we get a palindrome (189981).

The spelling of 106380 in words is "one hundred six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 197 270 394 540 591 788 985 1182 1773 1970 2364 2955 3546 3940 5319 5910 7092 8865 10638 11820 17730 21276 26595 35460 53190 106380